Home / 774,898,674.88-1,069,359,418.92-422,474,572.84

Finding the Fourth Proportional to 774,898,674.88, 1,069,359,418.92 and 422,474,572.84

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Solution

The fourth proportional to 774,898,674.88, 1,069,359,418.92 and 422,474,572.84 is: 583,014,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,898,674.88 : 1,069,359,418.92 = 422,474,572.84 : x
  2. Step 2: Convert to fraction form
    774,898,674.88/1,069,359,418.92 = 422,474,572.84/x
  3. Step 3: Cross multiply
    774,898,674.88x = 1,069,359,418.92 × 422,474,572.84
  4. Step 4: Simplify right side
    774,898,674.88x = 451,777,163,720,657,536
  5. Step 5: Solve for x
    x = 451,777,163,720,657,536/774,898,674.88
  6. Step 6: Final answer
    x = 583,014,500.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.